CN203584937U - 一种钢管水压试验机主缸液压控制系统 - Google Patents
一种钢管水压试验机主缸液压控制系统 Download PDFInfo
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- CN203584937U CN203584937U CN201320608635.0U CN201320608635U CN203584937U CN 203584937 U CN203584937 U CN 203584937U CN 201320608635 U CN201320608635 U CN 201320608635U CN 203584937 U CN203584937 U CN 203584937U
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Cited By (1)
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CN113295538A (zh) * | 2021-05-31 | 2021-08-24 | 山西互昇科技有限公司 | 一种水压试验机调压方法 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113295538A (zh) * | 2021-05-31 | 2021-08-24 | 山西互昇科技有限公司 | 一种水压试验机调压方法 |
CN113295538B (zh) * | 2021-05-31 | 2024-04-02 | 山西互昇科技有限公司 | 一种水压试验机调压方法 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder |
Address after: 434000 Jingzhou, Hubei, Sha District, Beijing East Road, No. 2 Patentee after: SHASHI STEEL PIPE BRANCH OF SINOPEC PETROLEUM MACHINERY CO.,LTD. Address before: 434000 Jingzhou, Hubei, Sha District, Beijing East Road, No. 2 Patentee before: SHASHI STEEL PIPE FACTORY, SINOPEC PETROLEUM ENGINEERING MACHINERY CO.,LTD. |
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CP01 | Change in the name or title of a patent holder | ||
TR01 | Transfer of patent right |
Effective date of registration: 20170928 Address after: 434000 No. 2, Beijing East Road, Hubei, Jingzhou Co-patentee after: SINOPEC OILFIELD EQUIPMENT Corp. Patentee after: SHASHI STEEL PIPE BRANCH OF SINOPEC PETROLEUM MACHINERY CO.,LTD. Address before: 434000 Jingzhou, Hubei, Sha District, Beijing East Road, No. 2 Patentee before: SHASHI STEEL PIPE BRANCH OF SINOPEC PETROLEUM MACHINERY CO.,LTD. |
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TR01 | Transfer of patent right | ||
CX01 | Expiry of patent term |
Granted publication date: 20140507 |
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CX01 | Expiry of patent term |